20172756

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{859}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 50086400

約数和(自身を除く): 29913644

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 103, 114, 206, 228, 309, 412, 618, 859, 1236, 1718, 1957, 2577, 3436, 3914, 5154, 5871, 7828, 10308, 11742, 16321, 23484, 32642, 48963, 65284, 88477, 97926, 176954, 195852, 265431, 353908, 530862, 1061724, 1681063, 3362126, 5043189, 6724252, 10086378, 20172756]

約数ペア:

[(1, 20172756), (2, 10086378), (3, 6724252), (4, 5043189), (6, 3362126), (12, 1681063), (19, 1061724), (38, 530862), (57, 353908), (76, 265431), (103, 195852), (114, 176954), (206, 97926), (228, 88477), (309, 65284), (412, 48963), (618, 32642), (859, 23484), (1236, 16321), (1718, 11742), (1957, 10308), (2577, 7828), (3436, 5871), (3914, 5154)]